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Introducing Amazon Polly Bidirectional Streaming: Real-time speech synthesis for conversational AI

calendar_today March 26, 2026 person Praveen Gadi domain amazon-polly

Today, we’re excited to announce the new Bidirectional Streaming API for Amazon Polly, enabling streamlined real-time text-to-speech (TTS) synthesis where you can start sending text and receiving audio simultaneously. This new API is built for conversational AI applications that generate text or audio incrementally, like responses from large language models (LLMs), where users must begin synthesizing audio before the full text is available.

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